Probability Tree
Mean, Median, Mode
Range & IQR
Boxplots
IQR
100

A type of graph that shows all of the possible outcomes using branches that spread out

Tree Diagram

100

The average of all the numbers in the data

Mean

100

What is the formula for range?

Range = Max- Min

100


What is the median (Q2) of this boxplot?

7

100

What is the 5th Step to solve IQR?

Find the median of your lower (Q1) and upper (Q3) halves of your data.

200


1/4 or 25%

200

The number or value that appears the most

Mode

200

What does IQR stand for?

Interquartile range

200


What is the range of this boxplot?

9 - 2 = 7

200

What are the 2 halves of your data?

Lower and Upper

300



What is the probability of getting one head and one tail?

1/2 or 50%

300

The middle data point is called the...

Median

300

What is the formula for IQR?

IQR = Q3 - Q1

300

What is the IQR of this boxplot?

8 - 3 = 5

300

The variation or spread of the data is large

The IQR number is large

400


What is the probability of choosing a sandwich with swiss cheese?

1/2 or 50%

400

{9, 10, 12, 13, 13, 13, 15, 15, 16, 16, 18, 22, 23, 24, 24, 25}
What is the median?

15.5
400

The 3 letters used for Interquartile Range

IQR

400

Does boxplot 1 or 2 have a greater range?

2

400

The variation or spread of the data is small

The IQR number is small

500


Find the probability of choosing a sandwich with chicken or ham.

2/3 or 67%

500

{9, 10, 12, 13, 13, 13, 15, 15, 16, 16, 18, 22, 23, 24, 24, 25}

Calculate the mean.

16.75

500

If Q1 is 36 and Q3 is 79, what is the IQR?

IQR = 43

500

Draw a box plot with the following:

Minimum is 1

Quartile 1 is 7

Quartile 2 is 8

Quartile 3 is 10 

Maximum is 14 

Mr. Holguin will judge your drawings!


500

What can be used to show IQR

Box Plot 

or

Box and Whisker Plot